In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The Largest 'Black Hole Jet' Discovered Is Estimated to Be Twice the Size of Our Milky Way We know black holes to be ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s ...

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

Astronomers have found a supermassive black hole in the Large Magellanic Cloud. This black hole is 600,000 times the mass of ...

Astronomers discover Quipu, a colossal cosmic structure spanning 1.3 billion light-years, which could reshape our ...

Space has always captured human curiosity. Whether it's vastness, mystery or its planetary bodies. Many individuals, at some ...

Scientists have officially given a name to the largest solar structure in the known universe. Astronomers have found the ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...